Toyota Camry (XV70): How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- If the wireless door lock control system does not operate, make sure that the wireless door lock control system is not turned off through a customize setting.
- The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system is operating properly. Check the power door lock control system first before troubleshooting the wireless door lock control system. Use this procedure to troubleshoot the wireless door lock control system.
- If 2 or more door control transmitter module set sub-assemblies are registered to the system, make sure to perform troubleshooting with all of them.
- *: Use the Techstream.
PROCEDURE
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1. | VEHICLE BROUGHT TO WORKSHOP |
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| 2. |
CUSTOMER PROBLEM ANALYSIS CHECK |
HINT:
- In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
- Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
- The following 5 items are important points for problem analysis:
What
Vehicle model, system name
When
Date, time, occurrence frequency, whether the problem occurred recently or has been occurring for a long time
Where
Whether the problem occurs at a specific location
Under what conditions?
Whether the doors were locked or unlocked, whether the ignition switch was on, whether the engine has started
How did it happen?
Problem symptoms
|
| 3. |
PRE-CHECK |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
(b) Check the fuses and relays.
(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.
|
| 4. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check for CAN communication system DTCs.
Click here
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Result | Proceed to |
|---|---|
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CAN DTCs are not output |
A |
| CAN DTCs are output |
B |
| B |
.gif) | GO TO CAN COMMUNICATION SYSTEM |
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| 5. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
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Result | Proceed to |
|---|---|
|
Fault is not listed in Problem Symptoms Table |
A |
| Fault is listed in Problem Symptoms Table |
B |
| B |
| GO TO STEP 7 |
|
| 6. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU
Click here
(b) Data List / Active Test
Click here
(c) Operation Check
Click here
(d) Inspection
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| 7. |
REPAIR OR REPLACE |
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| 8. |
CONFIRMATION TEST |
| NEXT | | END |
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Check Bus 1 Line for Short to +B
DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and termin
Right Front Wheel Speed Sensor Internal Electronic Failure (C050649)
DESCRIPTION When the system is starting up and the skid control ECU (brake actuator assembly) detects a speed sensor circuit malfunction via the speed sensor circuit self-diagnosis function, this DTC is stored.
DTC No. Detection Item
DTC Detection Condition Trouble Area
C05064
